*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0C0A0A;color:#F6F1EC;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#12080A;border-bottom:1px solid rgba(200,16,46,.45);box-shadow:0 8px 22px rgba(0,0,0,.4)}.header-inner{max-width:1120px;min-height:64px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.site-logo,.footer-logo{display:inline-flex;align-items:center;min-width:112px;text-decoration:none}.site-logo img{display:block;height:36px;width:auto;max-width:148px;object-fit:contain}.footer-logo img{display:block;height:34px;width:auto;max-width:142px;object-fit:contain}.logo-placeholder{display:block;width:118px;height:30px;border:1px solid rgba(200,16,46,.45);border-radius:5px;background:#1C1214}.nav-core{display:flex;align-items:center;gap:4px}.nav-core a{color:#F6F1EC;padding:8px 12px;font-weight:700;text-decoration:none;white-space:nowrap;font-size:15px;border-radius:6px}.nav-core a.is-current,.nav-core a:hover{color:#fff;background:#C8102E}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 16px;background:#C8102E;color:#fff;border-radius:6px;text-decoration:none;font-weight:700;border:1px solid #E23B4A}.main-btn:hover{background:#9E1026}.mobile-header{display:none}.menu-button,.drawer-close{border:0;background:transparent;color:#F2D6D6;font-size:15px;padding:8px;cursor:pointer}.mobile-login{color:#fff;text-decoration:none;font-weight:700;font-size:15px}.index-strip{height:42px;background:#1A0C10;border-bottom:1px solid rgba(200,16,46,.22)}.index-strip-inner{max-width:1120px;height:42px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:18px;overflow-x:auto;scrollbar-width:none}.index-strip-inner::-webkit-scrollbar{display:none}.index-strip a{height:42px;display:inline-flex;align-items:center;white-space:nowrap;text-decoration:none;color:#E7D5D5;font-size:14px;border-bottom:2px solid transparent}.index-strip a:hover,.index-strip a.is-current{color:#fff;border-bottom-color:#C8102E}.page-wrap{max-width:1120px;margin:0 auto;padding:38px 16px 52px}.article-wrap{max-width:780px;margin:0 auto}.breadcrumb{font-size:13px;color:#A89290;margin-bottom:14px}.breadcrumb a{color:#E7D5D5;text-decoration:none}.page-title{font-size:34px;line-height:1.3;margin:0 0 24px;color:#F6F1EC;position:relative;padding-bottom:14px}.page-title:after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;background:#C8102E}.lead{font-size:17px;line-height:1.9;color:#E7D5D5;margin:0 0 28px}.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#E7D5D5;margin-bottom:14px}.kicker:before{content:"";width:18px;height:2px;background:#C8102E}.content-section{margin:28px 0;padding:24px;border:1px solid rgba(200,16,46,.3);border-radius:8px;background:#1C1214;box-shadow:0 12px 28px rgba(0,0,0,.25)}.content-section h2,.text-panel h2,.mini-col h2,.link-panel h2,.faq-item h2{font-size:22px;line-height:1.45;margin:0 0 14px;color:#F6F1EC}.content-section p,.text-panel p,.mini-col p,.faq-item p,.note-block p{font-size:17px;line-height:1.82;color:#E7D5D5;margin:0 0 14px}.content-section p:last-child,.text-panel p:last-child,.mini-col p:last-child,.faq-item p:last-child{margin-bottom:0}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:8px;background:#1C1214;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{display:block;width:100%;height:100%;background:linear-gradient(135deg,#1B1113,#0A0708)}.hero-media{max-width:960px;height:188px;margin:0 auto 30px}.feature-media{height:214px;margin-top:18px}.compact-media{height:164px;margin-top:18px}.spotlight{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:22px;margin:30px 0}.text-panel,.link-panel,.mini-col,.note-block{background:#1C1214;border:1px solid rgba(200,16,46,.25);border-radius:8px;padding:24px}.link-panel{display:flex;flex-direction:column;gap:10px}.link-panel a,.related-links a,.service-list a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 12px;border-left:3px solid #C8102E;background:#150D0F;color:#F6F1EC;text-decoration:none;border-radius:4px}.link-panel a:after,.related-links a:after,.service-list a:after{content:"→";color:#C8102E}.link-panel a:hover,.related-links a:hover,.service-list a:hover{background:#211316}.redline-note{max-width:920px;margin:24px auto;padding:17px 20px;border-top:1px solid #C8102E;border-bottom:1px solid #C8102E;background:#150D0F;color:#E7D5D5;line-height:1.75;font-size:15px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.check-list{display:grid;gap:10px;margin:16px 0}.check-item{padding:13px 15px;background:#150D0F;border-left:3px solid #C8102E;color:#E7D5D5;line-height:1.65;border-radius:4px}.steps{display:grid;gap:14px;margin:24px 0}.step{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:18px;background:#1C1214;border:1px solid rgba(200,16,46,.25);border-radius:8px;counter-increment:step}.steps{counter-reset:step}.step:before{content:counter(step);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#C8102E;color:#fff;font-weight:700}.step h2{font-size:20px;margin:2px 0 8px}.step p{margin:0;color:#E7D5D5;line-height:1.75;font-size:16px}.table-wrap{overflow-x:auto;margin:18px 0}.compare-table{width:100%;border-collapse:collapse;min-width:620px}.compare-table th,.compare-table td{padding:13px 14px;text-align:left;border-bottom:1px solid rgba(200,16,46,.24);color:#E7D5D5;line-height:1.6}.compare-table th{background:#150D0F;color:#fff}.faq-list{display:grid;gap:16px}.faq-item{padding:22px;background:#1C1214;border:1px solid rgba(200,16,46,.27);border-radius:8px}.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.site-footer{background:#080606;border-top:1px solid #C8102E}.footer-grid{max-width:1120px;margin:0 auto;padding:34px 16px 24px;display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:28px}.footer-grid h2{font-size:15px;margin:0 0 12px;color:#F3E6E6}.footer-grid a{display:block;color:#C9B7B7;text-decoration:none;font-size:14px;line-height:2}.footer-grid a:hover{color:#fff}.footer-brand p{font-size:14px;line-height:1.7;color:#A89290;margin:12px 0 0}.footer-bottom{max-width:1120px;margin:0 auto;padding:16px;border-top:1px solid rgba(200,16,46,.2);color:#A89290;font-size:13px;line-height:1.7}.footer-bottom span{float:right;color:#F3E6E6}.back-top{position:fixed;right:20px;bottom:20px;width:40px;height:40px;border:0;border-radius:50%;background:#C8102E;color:#fff;font-size:18px;cursor:pointer;z-index:9000}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:60px;padding:0 14px;border-bottom:1px solid rgba(200,16,46,.25)}.drawer-group{padding:14px}.drawer-title{font-size:12px;color:#C9A0A6;margin-bottom:6px}.drawer-group a{display:block;padding:9px 10px 9px 14px;color:#F6F1EC;text-decoration:none;font-size:16px;border-left:3px solid transparent}.drawer-group a.is-current{border-left-color:#C8102E;background:#211316}.drawer-group a:hover{background:#211316}.mobile-drawer .site-logo img{height:32px;max-width:132px}
@media(max-width:980px){.desktop-header,.index-strip{display:none}.mobile-header{display:flex;min-height:56px;height:56px;position:relative}.mobile-header .site-logo{position:absolute;left:50%;transform:translateX(-50%);min-width:0}.mobile-header .site-logo img{height:32px;max-width:132px}.mobile-header .logo-placeholder{width:106px;height:28px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#160A0C;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.45);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.page-wrap{padding:28px 16px 82px}.page-title{font-size:28px}.lead,.content-section p,.text-panel p,.mini-col p,.faq-item p{font-size:16px}.spotlight{grid-template-columns:1fr}.three-col,.related-links{grid-template-columns:1fr}.service-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero-media{height:126px}.feature-media{height:204px}.compact-media{height:160px}.back-top{display:none}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:54px;background:#0A0607;border-top:1px solid #C8102E;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#F6F1EC;text-decoration:none;font-size:13px}.site-footer{padding-bottom:54px}.footer-bottom span{float:none;display:block;margin-top:6px}}
@media(max-width:600px){.page-wrap{padding-left:14px;padding-right:14px}.page-title{font-size:27px}.footer-grid{grid-template-columns:1fr}.content-section,.text-panel,.link-panel,.note-block,.faq-item{padding:18px}.header-inner{padding-left:14px;padding-right:14px}.mobile-header .site-logo img{max-width:118px}.mobile-header .logo-placeholder{width:98px}.compare-table{min-width:560px}}
